CN101746037B - Screw machine - Google Patents
Screw machine Download PDFInfo
- Publication number
- CN101746037B CN101746037B CN2009102533508A CN200910253350A CN101746037B CN 101746037 B CN101746037 B CN 101746037B CN 2009102533508 A CN2009102533508 A CN 2009102533508A CN 200910253350 A CN200910253350 A CN 200910253350A CN 101746037 B CN101746037 B CN 101746037B
- Authority
- CN
- China
- Prior art keywords
- housing
- longitudinal axis
- transmission mechanism
- extruder
- threaded hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/266—Means for allowing relative movements between the apparatus parts, e.g. for twisting the extruded article or for moving the die along a surface to be coated
- B29C48/2665—Means for allowing relative movements between the apparatus parts, e.g. for twisting the extruded article or for moving the die along a surface to be coated allowing small relative movement, e.g. adjustments for aligning the apparatus parts or for compensating for thermal expansion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/682—Barrels or cylinders for twin screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Press Drives And Press Lines (AREA)
Abstract
A screw machine, in particular an extruder, has a housing (1) which has a supply opening (37) at a supply end. At least one bore (11, 12) with a longitudinal axis (7) is provided, in which a screw shaft (13, 14) is rotatably arranged. The drive takes place by means of a drive motor using a gear (16), the output shaft (18) of which has a rotary drive connection to the screw shaft (13, 14). Provided between the housing and the gear is a slide connection (24), which allows a displacement of the housing (1) relative to the gear (16) in the direction of the longitudinal axis (7).
Description
Technical field
The present invention relates to a kind of screw machine (screw machine); This screw machine comprises housing, at least one is arranged in the threaded hole of the housing with a longitudinal axis, is arranged in helical axis, drive motors and the transmission mechanism of threaded hole revolvably; This housing has feed end, outlet side and at the charging aperture of feed end, and this transmission mechanism is connected with drive motor drives and has an output shaft that is connected in helical axis.
Background technology
This screw machine is heated to very high operating temperature from room temperature especially when starting; This operating temperature is usually between 200 ℃ to 300 ℃, so corresponding housing and helical axis or be that a plurality of helical axis expand along the longitudinal direction under the situation of multi-axis machine.Can not be arranged on with relatively rotating helical axis on the transmission mechanism output shaft at this towards its helical-tipped, promptly expand towards the outlet side of housing.This can easily realize, because in the zone between helical-tipped and housing outlet side end play is always arranged.Usually in practice to housing since the expansion that heat causes can compensate like this: at outlet side sliding connection structure is set, this is for example known from EP 0849065A1 (corresponding to US 5,865,472).
By the known a kind of screw machine as described in the preamble according to claim 1 in addition of US 2006/0076705A1, this screw machine is a kind of extruder, and the discharge end of this extruder closely is fixed to a downstream extruder.The supply end of this extruder housing movably is installed on the substrate.Extruder housing and transmission mechanism be designed in practice cover be connected the enough big gap of design between the housing one, the longitudinal dilatation of this gap permission extruder housing.
By known being slidingly connected in the melt circuit, between two fixing points of EP 1990176A1, one of wherein said fixing point is formed by mixing arrangement.
From work or structural reason, usually also need the outlet side of housing is fixing on longitudinal axis.Just produce such problem thus: the axial expansion of housing must be by transmission mechanism and is absorbed by the motor that is arranged in behind the transmission mechanism alternatively.For this reason, be that transmission mechanism and optional drive motors use complicated many Ball supports part so that transmission mechanism and optional drive motors can be used as whole moving in practice.
Summary of the invention
The objective of the invention is to construct by this way a kind of screw machine, thereby can compensate the longitudinal dilatation of housing with simple mode.
This purpose realizes in the screw machine of general type like this: wherein between housing and transmission mechanism, be furnished with a sliding connection structure on the direction of longitudinal axis; This sliding connection structure has an adapter, this adapter have one be connected in housing a threaded hole part and a supporting part towards transmission mechanism; On transmission mechanism, be provided with one surround said output shaft attach the dress housing, this attaches the dress housing and has with respect to the longitudinal axis supporting opening of support housing laterally.Core of the present invention is: be right after before housing, be furnished with a sliding connection structure before promptly being right after the feed end at machine to observation along the producer of screw machine, can absorb and compensate because the housing longitudinal dilatation that heat causes through this sliding connection structure.Simultaneously, between the housing of screw machine and transmission mechanism, there is mutual support perpendicular to longitudinal axis.
Description of drawings
In addition, but through following by further feature, advantage and the details of accompanying drawing to the invention of the description knowledge capital of embodiment.
Fig. 1 illustrates the lateral longitudinal of the screw machine that is configured to biaxial extruder to view,
Fig. 2 illustrates according to the screw machine of Fig. 1 from the vertically vertically partial sectional view of its housing to the transition region of transmission mechanism,
Fig. 3 illustrate according to the perspective view of the adapter of the transition region of Fig. 2 and
Fig. 4 illustrates another perspective view of this adapter.
The specific embodiment
Screw machine shown in the accompanying drawing is conventional extruder.This extruder has housing 1, and this housing 1 comprises a plurality of separate casing part 2, is so-called shell part that said each housing parts interconnects through flange 3.Housing 1 is bearing on the pedestal 5 through support member 4, between support member 4 and housing 1, is furnished with sliding bearing 6, and housing 1 can move on the direction of the longitudinal axis 7 of housing 1 by means of this sliding bearing.Produce roughly supporting vertically through support member 4 like this.In the zone of outlet side 9, this outlet side is positioned at downstream at producer on 8, through connecting portion 10 in the vertical directions and on the direction of longitudinal axis 7 stationary housing 1.Thereby the outlet side of this housing 19 is fixing by stably.
Screw machine is configured to biaxial extruder; Promptly have two threaded hole 11,12; This threaded hole is extended on the direction of the longitudinal axis that is parallel to each other 7 and is bonded with each other with the shape of " 8 ", and two helical axis 13,14 are arranged to parallel in said threaded hole and are configured to tight engagement.
Housing 1---promptly near the housing parts 2 that attaches dress housing 21 and formation feed end---is not as conventional, on the direction of longitudinal axis 7, to be connected in rigidly to attach dress housing 21; But through a sliding connection structure 24 on the direction of longitudinal axis 7, in its end wall of facing 23 by guiding movably, and with respect to this longitudinal axis 7 vertically, promptly vertical direction and with respect to longitudinal axis 7 non-yielding prop on the laterally horizontally extending direction.
For this reason, an adapter 25 is anchored on above-mentioned with attaching dress housing parts 21 on the flange 3 of adjacent housing parts 2 through screw 26.Adapter 25 has two parts, promptly adjacent with adjacent housing parts 2 threaded hole part 27 and supporting part 28.Threaded hole 11,12 starting point/beginning separately is arranged in the threaded hole part 27, and this threaded hole part 27 is connected in adjacent housing parts 2 through screw 26, can know helical axis 13,14 by inference by Fig. 2 and stretch in the threaded hole 11,12.In supporting part 28, form support holes 29,30, the driving axle journal 20 of helical axis 13,14 is rotatably installed in seal 32 sealings of pressing filler in the said support holes 29,30 and through for example lid.
Supporting part 28 displaceably is installed on the direction of (indulging) axis on the adaptive supporting opening 33 in the end wall 23 that attaches dress housing 21, but is supported with being perpendicular to this axis.In addition, fit key 34 attaches the supporting part of being loaded on 28, is directed in the corresponding guide groove 35 of this fit key in end wall 23.
In the threaded hole part 27 of adapter 25, derive a rear portion scavenge duct 36 from threaded hole 11,12.On 8, be adjacent to the back of this scavenge duct 36 at producer, in first adjacent housings part, be configured with the charging aperture 37 that is used at screw machine preparation or the material handled.
Operation principle is following:
Heating during particularly owing to startup, helical axis 13,14 and housing 1 all expand greatly, and this is owing to rise to the temperature that is higher than 200 ℃ even is higher than 300 ℃ rapidly from room temperature.The helical axis of on the direction of longitudinal axis 7, fixing with respect to transmission mechanism 16 routinely 13,14 is towards the direction of the end 9 of housing 1, promptly towards the direction expansion of its helical-tipped (not shown), and this is identical with prior art.Housing 1 is configured in the zone of its outlet side 9, makes helical axis 13,14 in housing 1, to expand to its end.
On the other hand; This housing 1 expands towards the direction of transmission mechanism 16 because of described structure; Maximum axial gap 38 between threaded hole part 27 and end wall 23 has such size, makes supporting part 28 in supporting opening 33, to move in enough big scope towards transmission mechanism 16.
Claims (5)
1. extruder comprises:
-housing (1), this housing has
--feed end,
--outlet side (9) and
--the charging aperture (37) at said feed end place,
-at least one is arranged in the threaded hole (11,12) of the said housing (1) that has longitudinal axis (7),
-be arranged in the helical axis (13,14) in the said threaded hole (11,12) revolvably,
-drive motors (15),
-transmission mechanism (16),
--this transmission mechanism (16) drives with said drive motors (15) and is connected,
--this transmission mechanism (16) has the output shaft (18) that is connected in said helical axis (13,14), it is characterized in that,
Between said housing (1) and said transmission mechanism (16), be furnished with a sliding connection structure (24) on the direction of said longitudinal axis (7);
Said sliding connection structure (24) has an adapter (25), this adapter have one be connected in said housing (1) threaded hole part (27) and a supporting part towards said transmission mechanism (16) (28);
On said transmission mechanism (16), be provided with one surround said output shaft (18) attach dress housing (21), said attach the dress housing and have the supporting opening (33) that laterally supports said housing (1) with respect to longitudinal axis (7);
The supporting part (28) of said adapter (25) is bearing in the said supporting opening (33) with the mode that can on the direction of longitudinal axis (7), move;
Said helical axis (13,14) is connected in output shaft (18) with the mode that can not on the direction of said longitudinal axis (7), move;
Said helical axis (13,14) puts in the threaded hole part (27) of said adapter (25).
2. extruder according to claim 1 is characterized in that, the driving axle journal (20) of said helical axis (13,14) is installed in the support holes (29,30) of said adapter (25).
3. extruder according to claim 1 is characterized in that, the outlet side (9) of said housing (1) can be fixed on the direction of said longitudinal axis (7).
4. extruder according to claim 1 is characterized in that said extruder is a biaxial extruder.
5. extruder according to claim 1 is characterized in that, said housing (1) is bearing on the pedestal (5) through support member (4);
Between said support member (4) and said housing (1), be furnished with sliding bearing (6), said housing (1) can be moved on the direction of said longitudinal axis (7) with respect to said support member (4) by means of said sliding bearing (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08021246A EP2193907B1 (en) | 2008-12-06 | 2008-12-06 | Screw-type machine with axial compensation for thermal expansion |
| EP08021246.7 | 2008-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101746037A CN101746037A (en) | 2010-06-23 |
| CN101746037B true CN101746037B (en) | 2012-12-12 |
Family
ID=40568411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102533508A Expired - Fee Related CN101746037B (en) | 2008-12-06 | 2009-12-07 | Screw machine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8500433B2 (en) |
| EP (1) | EP2193907B1 (en) |
| JP (1) | JP5380256B2 (en) |
| CN (1) | CN101746037B (en) |
| AT (1) | ATE509754T1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014133389A (en) * | 2013-01-11 | 2014-07-24 | Sekisui Chem Co Ltd | Bi-axial different-direction rotary extruder |
| ES2655468T3 (en) * | 2014-05-22 | 2018-02-20 | Coperion Gmbh | Device and procedure for the degassing of material to be processed |
| DE102015120586B4 (en) * | 2015-09-08 | 2018-10-18 | Blach Verwaltungs Gmbh & Co. Kg | Ring extruder for the continuous preparation of rubber material with co-extruder, system and process for preprocessing a continuously processed rubber material |
| CN105313295A (en) * | 2015-10-20 | 2016-02-10 | 常州市鑫尔减速机有限公司 | Hoisting type tape-casting extruder |
| EP3656523B1 (en) * | 2018-11-22 | 2021-09-29 | Buss AG | Mixing and kneading machine with efficient venting in the area of the feed-in, and related method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3638921A (en) * | 1969-02-25 | 1972-02-01 | French Oil Mill Machinery | Apparatus for treating elastomeric materials |
| CN2745732Y (en) * | 2004-11-05 | 2005-12-14 | 汕头市奇佳机械厂有限公司 | Extruder set for multilayer coextrusion section bar |
| EP1990176A1 (en) * | 2007-05-11 | 2008-11-12 | DMT Technology GmbH | Expandable melt feed line |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004787A (en) * | 1975-01-10 | 1977-01-25 | Usm Corporation | Mixing and venting extruder |
| JPS5230751A (en) * | 1975-09-05 | 1977-03-08 | Japan Steel Works Ltd | Method and device to eliminate cylinder displacement owing to thermal expansion for vertical type extruder |
| JPS5837459Y2 (en) * | 1978-05-22 | 1983-08-24 | 株式会社日本製鋼所 | Fixing device for pressure cylinders for moving cylinders back and forth in continuous kneading machines, etc. |
| US4385553A (en) * | 1980-01-21 | 1983-05-31 | Tokyo Electric Co., Ltd. | Apparatus for separating liquid and residual solids |
| JPS574398A (en) * | 1980-06-07 | 1982-01-09 | Seiichi Yamazaki | Screw type extrusion dehydrating machine |
| JPS58156527U (en) * | 1982-04-12 | 1983-10-19 | 株式会社神戸製鋼所 | Kneading machine shaft sealing device |
| JP2971710B2 (en) * | 1993-09-29 | 1999-11-08 | 株式会社日本製鋼所 | Extruder |
| ES2104481T3 (en) * | 1995-03-27 | 1997-10-01 | Basf Ag | PROCEDURE FOR OBTAINING THERMOPLASTICS. |
| DE19652952A1 (en) | 1996-12-19 | 1998-06-25 | Hoechst Trespaphan Gmbh | Compensator to compensate for changes in length caused by temperature influences |
| US20060076706A1 (en) * | 2004-01-16 | 2006-04-13 | Buethorn Donald R | Foot orthosis support device method and apparatus |
| CA2583119A1 (en) | 2004-10-11 | 2006-04-20 | Lanxess Inc. | Continuous extrusion process for producing grafted polymers |
| DE102004051203B4 (en) * | 2004-10-20 | 2013-06-20 | Blach Verwaltung Gmbh & Co.Kg | extruder |
-
2008
- 2008-12-06 EP EP08021246A patent/EP2193907B1/en active Active
- 2008-12-06 AT AT08021246T patent/ATE509754T1/en active
-
2009
- 2009-11-26 JP JP2009268598A patent/JP5380256B2/en active Active
- 2009-12-03 US US12/630,413 patent/US8500433B2/en active Active
- 2009-12-07 CN CN2009102533508A patent/CN101746037B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3638921A (en) * | 1969-02-25 | 1972-02-01 | French Oil Mill Machinery | Apparatus for treating elastomeric materials |
| CN2745732Y (en) * | 2004-11-05 | 2005-12-14 | 汕头市奇佳机械厂有限公司 | Extruder set for multilayer coextrusion section bar |
| EP1990176A1 (en) * | 2007-05-11 | 2008-11-12 | DMT Technology GmbH | Expandable melt feed line |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5380256B2 (en) | 2014-01-08 |
| CN101746037A (en) | 2010-06-23 |
| EP2193907A1 (en) | 2010-06-09 |
| JP2010131673A (en) | 2010-06-17 |
| EP2193907B1 (en) | 2011-05-18 |
| ATE509754T1 (en) | 2011-06-15 |
| US8500433B2 (en) | 2013-08-06 |
| US20100143518A1 (en) | 2010-06-10 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20181207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |